Use as const

#5089

src/server/api/endpoints/notes/show.ts

@@ -4,7 +4,6 @@ import define from '../../define';
 import { getNote } from '../../common/getters';
 import { ApiError } from '../../error';
 import { Notes } from '../../../../models';
-import { types, bool } from '../../../../misc/schema';
 
 export const meta = {
 	stability: 'stable',
@@ -29,8 +28,8 @@ export const meta = {
 	},
 
 	res: {
-		type: types.object,
-		optional: bool.false, nullable: bool.false,
+		type: 'object' as const,
+		optional: false as const, nullable: false as const,
 		ref: 'Note',
 	},